Defense Secretary Pete Hegseth has awarded a Joint Service Commendation Medal to Spc. Thomas Iglesias, the Tomb of the Unknown Soldier guard who corrected him and his staff. The medal was presented at the Pentagon on Thursday. , US News, Times Now. US Defense Secretary Pete Hegseth has given a Joint Service Commendation Medal to the soldier who corrected him and his staff at the Tomb of the Unknown Soldier.